package cn.tedu.myweb.mapper;


import cn.tedu.myweb.entity.Folder;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface FolderMapper {

    @Select("select * from folder where ffid is null")
    List<Folder> selectNoFather();


}
